(1973). Introduction to on-line systems / by J. A. T. Pritchard.
Chicago Style (17th ed.) CitationIntroduction to On-line Systems / by J. A. T. Pritchard. 1973.
MLA (9th ed.) CitationIntroduction to On-line Systems / by J. A. T. Pritchard. 1973.
Warning: These citations may not always be 100% accurate.